Gas mileage
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Senior User
Joined: Jun 2003
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Gas mileage
right now, im getting 12 mpg all city driving. i got a 4.6l short box reg cab 2002
i got a cold air intake which i thoguth was gunna help but it looks like it didnt
what do ut hink could be wrong? i keep it under 2300 rpms no matter what and i seldom get over 2000
i got a cold air intake which i thoguth was gunna help but it looks like it didnt
what do ut hink could be wrong? i keep it under 2300 rpms no matter what and i seldom get over 2000
Elder User
Joined: Apr 2004
Posts: 545
Likes: 1
From: Shreveport, La.
Have you had truck since new - or what history do you have at this mileage? Has mpg changed +/- ?
No matter what air filter system you have, very few folks have honestly changed mpg.
Have you made any changes to truck (any at all) other than filter?
Tire size ?
2WD or 4WD?
Auto tranny?
Rear end ratio?
If your driving is all city, does your speed get high enough for any period of time that you're 'cruising' or are you constantly stop and go? That can make a large difference.
No matter what air filter system you have, very few folks have honestly changed mpg.
Have you made any changes to truck (any at all) other than filter?
Tire size ?
2WD or 4WD?
Auto tranny?
Rear end ratio?
If your driving is all city, does your speed get high enough for any period of time that you're 'cruising' or are you constantly stop and go? That can make a large difference.
Thread Starter
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Senior User
Joined: Jun 2003
Posts: 112
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Originally Posted by KenB
Have you had truck since new - or what history do you have at this mileage? Has mpg changed +/- ?
No matter what air filter system you have, very few folks have honestly changed mpg.
Have you made any changes to truck (any at all) other than filter?
Tire size ?
2WD or 4WD?
Auto tranny?
Rear end ratio?
If your driving is all city, does your speed get high enough for any period of time that you're 'cruising' or are you constantly stop and go? That can make a large difference.
No matter what air filter system you have, very few folks have honestly changed mpg.
Have you made any changes to truck (any at all) other than filter?
Tire size ?
2WD or 4WD?
Auto tranny?
Rear end ratio?
If your driving is all city, does your speed get high enough for any period of time that you're 'cruising' or are you constantly stop and go? That can make a large difference.
its a 4wd truck but havent put in 4wd for 5 months now
3.55 LS
automatic
i sometimes am crusing aroudn 45 or 40 but not too often, i average aroudn 8 start ups a day, coudl that be the problem?
Elder User
Joined: Apr 2004
Posts: 545
Likes: 1
From: Shreveport, La.
Originally Posted by RustyWallace
its a 4wd truck but havent put in 4wd for 5 months now
3.55 LS
automatic
i sometimes am crusing aroudn 45 or 40 but not too often, i average aroudn 8 start ups a day, coudl that be the problem?
3.55 LS
automatic
i sometimes am crusing aroudn 45 or 40 but not too often, i average aroudn 8 start ups a day, coudl that be the problem?
Take your truck out on the highway and cruise for at least an hour. Need to do this anyway to 'blow the dust out'.
This might even help your city mileage.
But as long as the majority of your driving is done as you describe, your quoted mileage is probably as good as it's going to get.
You and your truck are spending all your driving time starting/stopping, winding through the gear changes, but not driving at optimal mpg conditions.
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